/ Dictionary / Index V Valentinian II: Meaning and Definition of Find definitions for: Valentinian II Pronunciation: [key] a.d.c371–392, emperor of the Western Roman Empire 375–392. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Valentinian I Valentinian III Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language